.versions-modal-shell {
    z-index: 1100;
}

.versions-modal-content {
    width: min(94vw, 1180px);
    max-width: 1180px;
    max-height: min(88vh, 920px);
}

.versions-modal-heading {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.versions-toolbar-summary {
    color: var(--text-secondary);
    font-size: 12px;
}

.versions-modal-body {
    padding: var(--spacing-md);
}

.versions-layout {
    display: grid;
    grid-template-columns: minmax(320px, 1.25fr) minmax(320px, 1fr);
    gap: var(--spacing-md);
    min-height: min(68vh, 720px);
}

.versions-panel {
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    overflow: hidden;
}

.versions-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
}

.versions-panel-title {
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.versions-panel-meta {
    color: var(--text-secondary);
    font-size: 12px;
}

.versions-empty-state,
.versions-detail-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    padding: var(--spacing-lg);
    color: var(--text-secondary);
    text-align: center;
}

.versions-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-sm);
    overflow-y: auto;
    min-height: 0;
}

.versions-entry {
    position: relative;
    width: 100%;
    padding: 10px 12px 10px 44px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    background: transparent;
    color: inherit;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.versions-entry:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(212, 165, 116, 0.22);
}

.versions-entry:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.versions-entry.is-selected {
    background: rgba(212, 165, 116, 0.08);
    border-color: rgba(212, 165, 116, 0.4);
}

.versions-entry.is-current {
    box-shadow: inset 0 0 0 1px rgba(240, 200, 150, 0.35);
}

.versions-entry::before {
    content: "";
    position: absolute;
    left: 18px;
    top: -1px;
    bottom: -1px;
    width: 1px;
    background: rgba(212, 165, 116, 0.14);
}

.versions-entry:first-child::before {
    top: 50%;
}

.versions-entry:last-child::before {
    bottom: 50%;
}

.versions-entry::after {
    content: "";
    position: absolute;
    left: 18px;
    top: 50%;
    width: 16px;
    height: 1px;
    background: rgba(212, 165, 116, 0.24);
}

.versions-entry-node {
    position: absolute;
    left: 13px;
    top: calc(50% - 5px);
    width: 11px;
    height: 11px;
    border-radius: 999px;
    border: 2px solid var(--accent-primary);
    background: var(--bg-secondary);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.08);
}

.versions-entry.is-current .versions-entry-node {
    background: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(212, 165, 116, 0.15);
}

.versions-entry.is-restore .versions-entry-node {
    border-color: var(--info);
}

.versions-entry.is-audio-branch .versions-entry-node {
    border-color: var(--success);
    box-shadow: 0 0 0 4px rgba(107, 155, 107, 0.14);
}

.versions-entry.is-branch-source .versions-entry-node {
    box-shadow: 0 0 0 3px rgba(90, 138, 181, 0.12);
}

.versions-entry-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.versions-entry-title {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
}

.versions-entry-meta {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.4;
}

.versions-detail {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    overflow-y: auto;
    min-height: 0;
}

.versions-detail-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.versions-detail-copy {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.versions-detail-title {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
}

.versions-detail-meta {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.5;
}

.versions-detail-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
}

.versions-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.versions-badge.current {
    background: rgba(212, 165, 116, 0.14);
    border-color: rgba(212, 165, 116, 0.25);
    color: var(--accent-highlight);
}

.versions-badge.restore {
    background: rgba(90, 138, 181, 0.16);
    border-color: rgba(90, 138, 181, 0.24);
    color: #90bce5;
}

.versions-badge.branch {
    background: rgba(107, 155, 107, 0.16);
    border-color: rgba(107, 155, 107, 0.24);
    color: #a8d3a8;
}

.versions-badge.audio {
    background: rgba(107, 155, 107, 0.18);
    border-color: rgba(107, 155, 107, 0.28);
    color: #b9e2b9;
}

.versions-badge.pending {
    background: rgba(255, 214, 102, 0.14);
    border-color: rgba(255, 214, 102, 0.24);
    color: #ffe08a;
}

.versions-badge.output {
    background: rgba(90, 138, 181, 0.16);
    border-color: rgba(90, 138, 181, 0.24);
    color: #a8c8ea;
}

.versions-detail-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.versions-detail-section-title {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.versions-detail-note {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.5;
}

.versions-detail-summary {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-left: 18px;
    color: var(--text-primary);
}

.versions-detail-summary li {
    line-height: 1.45;
}

.versions-detail-outputs {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.versions-output-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
}

.versions-output-card-head,
.versions-output-card-copy {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.versions-output-card-title {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
}

.versions-output-card-meta,
.versions-output-card-note {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.45;
}

.versions-output-assets {
    display: grid;
    gap: var(--spacing-sm);
}

.versions-output-asset {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.18);
}

.versions-output-asset-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.versions-output-asset-label {
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
}

.versions-output-asset-filename {
    color: var(--text-secondary);
    font-size: 11px;
    font-family: var(--font-mono);
    word-break: break-word;
}

.versions-output-player {
    width: 100%;
}

.versions-output-player-video {
    max-height: 260px;
    border-radius: var(--radius-sm);
    background: #050505;
}

.versions-output-asset-actions {
    display: flex;
    justify-content: flex-end;
}

.versions-detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.versions-detail-json-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
}

.versions-detail-json {
    margin: 0;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #111111;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.5;
    overflow: auto;
    max-height: 280px;
    white-space: pre-wrap;
    word-break: break-word;
}

@media (max-width: 980px) {
    .versions-layout {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .versions-panel {
        max-height: 42vh;
    }
}